#include<stdio.h>
#include<ctype.h>
#include<string.h>

int main()
{
    int a, e, i, o, u, x;
    a = e = i = o = u = x = 0;
    char s[100];    gets(s);
    int len = strlen(s);
    for (int j = 0; j < len; j++)
    {
        char ch = s[j];
        if (ch == 'a' || ch == 'A')    a++;
        else if (ch == 'e' || ch == 'E')    e++;
        else if (ch == 'i' || ch == 'I')    i++;
        else if (ch == 'o' || ch == 'O')    o++;
        else if (ch == 'u' || ch == 'U')    u++;
        else     x++;
    }
    printf("a:%d\ne:%d\ni:%d\no:%d\nu:%d\nx:%d\n", a, e, i, o, u, x);
    return 0;
}